/* jshint loopfunc: true */
/* Simple JavaScript Inheritance
 * By John Resig http://ejohn.org/
 * MIT Licensed.
 */
// Inspired by base2 and Prototype
export var Class =
(function () {
  var initializing = false; var fnTest = /xyz/.test(function () { window.postMessage('xyz') }) ? /\b_super\b/ : /.*/

  // The base Class implementation (does nothing)
  Class = function () {}

  // Create a new Class that inherits from this class
  Class.extend = function extend (prop) {
    var _super = this.prototype

    // Instantiate a base class (but only create the instance,
    // don't run the init constructor)
    initializing = true
    var prototype = new this()
    initializing = false

    // Copy the properties over onto the new prototype
    for (var name in prop) {
      // Check if we're overwriting an existing function
      prototype[name] = typeof prop[name] === 'function' &&
        typeof _super[name] === 'function' && fnTest.test(prop[name])
        ? (function (name, fn) {
          return function () {
            var tmp = this._super

            // Add a new ._super() method that is the same method
            // but on the super-class
            this._super = _super[name]

            // The method only need to be bound temporarily, so we
            // remove it when we're done executing
            var ret = fn.apply(this, arguments)
            this._super = tmp

            return ret
          }
        })(name, prop[name])
        : prop[name]
    }

    // The dummy class constructor
    function Class () {
      // All construction is actually done in the init method
      if (!initializing && this.init) { this.init.apply(this, arguments) }
    }

    // Populate our constructed prototype object
    Class.prototype = prototype

    // Enforce the constructor to be what we expect
    Class.prototype.constructor = Class

    // And make this class extendable
    Class.extend = extend

    return Class
  }

  return Class
})()
